Add the notion of toolschain.

- For now, only the win32 is here.
- There no more nativeBuilEnv as the buildEnv can launch command without
  using the toolschain.

templates/cmake_cross_file.txt

@@ -2,11 +2,11 @@ SET(CMAKE_SYSTEM_NAME Windows)
 SET(CMAKE_SYSTEM_PROCESSOR x86)
 
 # specify the cross compiler
-SET(CMAKE_C_COMPILER "{which:{binaries[c]}}")
-SET(CMAKE_CXX_COMPILER "{which:{binaries[cpp]}}")
-SET(CMAKE_RC_COMPILER {which:{binaries[windres]}})
-SET(CMAKE_AR:FILEPATH {which:{binaries[ar]}})
-SET(CMAKE_RANLIB:FILEPATH {which:{binaries[ranlib]}})
+SET(CMAKE_C_COMPILER "{toolchain.binaries[CC]}")
+SET(CMAKE_CXX_COMPILER "{toolchain.binaries[CXX]}")
+SET(CMAKE_RC_COMPILER {toolchain.binaries[WINDRES]})
+SET(CMAKE_AR:FILEPATH {toolchain.binaries[AR]})
+SET(CMAKE_RANLIB:FILEPATH {toolchain.binaries[RANLIB]})
 
 find_program(CCACHE_FOUND ccache)
 if(CCACHE_FOUND)
@@ -15,7 +15,7 @@ if(CCACHE_FOUND)
 endif(CCACHE_FOUND)
 
 # where is the target environment
-SET(CMAKE_FIND_ROOT_PATH {root_path})
+SET(CMAKE_FIND_ROOT_PATH {toolchain.root_path})
 
 # search for programs in the build host directories
 SET(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)

templates/meson_cross_file.txt

@@ -1,16 +1,16 @@
 [binaries]
 pkgconfig = 'pkg-config'
-c = '{which:{binaries[c]}}'
-ar = '{which:{binaries[ar]}}'
-cpp = '{which:{binaries[cpp]}}'
-strip = '{which:{binaries[strip]}}'
+c = '{toolchain.binaries[CC]}'
+ar = '{toolchain.binaries[AR]}'
+cpp = '{toolchain.binaries[CXX]}'
+strip = '{toolchain.binaries[STRIP]}'
 
 [properties]
-c_link_args = ['-lwinmm', '-lws2_32', '-lshlwapi', '-lrpcrt4']
-cpp_link_args = ['-lwinmm', '-lws2_32', '-lshlwapi', '-lrpcrt4']
+c_link_args = {properties[c_link_args]!r}
+cpp_link_args = {properties[cpp_link_args]!r}
 
 [host_machine]
-cpu_family = 'x86'
-cpu = 'i586'
-system = 'windows'
-endian = 'little'
+cpu_family = '{host_machine[cpu_family]}'
+cpu = '{host_machine[cpu]}'
+system = '{host_machine[system]}'
+endian = '{host_machine[endian]}'